public void StripePattern_ShouldBeConstantInZ()
{
var pattern = new Stripe(white, black);
Assert.Equal(white, pattern.PatternAt(new Point(0, 0, 0)));
Assert.Equal(white, pattern.PatternAt(new Point(0, 0, 1)));
Assert.Equal(white, pattern.PatternAt(new Point(0, 0, 2)));
}
public void StripePattern_ShouldAlternateInX()
{
var pattern = new Stripe(white, black);
Assert.Equal(white, pattern.PatternAt(new Point(0, 0, 0)));
Assert.Equal(white, pattern.PatternAt(new Point(0.9, 0, 0)));
Assert.Equal(black, pattern.PatternAt(new Point(1, 0, 0)));
Assert.Equal(black, pattern.PatternAt(new Point(-0.1, 0, 0)));
Assert.Equal(black, pattern.PatternAt(new Point(-1, 0, 0)));
Assert.Equal(white, pattern.PatternAt(new Point(-1.1, 0, 0)));
}